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ASTM A387 Grade 12 Steel vs. CC484K Bronze

ASTM A387 grade 12 steel belongs to the iron alloys classification, while CC484K bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 12 steel and the bottom bar is CC484K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
100
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
11
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 470 to 520
330
Tensile Strength: Yield (Proof), MPa 260 to 310
200

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 430
170
Melting Completion (Liquidus), °C 1470
1000
Melting Onset (Solidus), °C 1420
870
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 44
70
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
37
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.6
3.9
Embodied Energy, MJ/kg 21
64
Embodied Water, L/kg 51
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
32
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
180
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 16 to 18
10
Strength to Weight: Bending, points 17 to 18
12
Thermal Diffusivity, mm2/s 12
22
Thermal Shock Resistance, points 14 to 15
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.1
Carbon (C), % 0.050 to 0.17
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
84.5 to 87.5
Iron (Fe), % 97 to 98.2
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.4 to 0.65
0 to 0.2
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
1.5 to 2.5
Phosphorus (P), % 0 to 0.025
0.050 to 0.4
Silicon (Si), % 0.15 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.025
0 to 0.050
Tin (Sn), % 0
11 to 13
Zinc (Zn), % 0
0 to 0.4